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History of agrarian landscapes in Pays de Bitche since antiquity : geographical and paleo-ecological approaches.

Abstract : Pays de Bitche has a rich and complex history on a plurisecular and millenary scale. The recent decline in industrial and military activities associated with land abandonment is transforming the territory. In this context, the study of agrarian landscapes makes it possible to better understand human dynamics and their consequences on the temporal trajectories of the Bitchois territory. Indeed, agrarian landscapes are often summarized as openfields and bocage systems. However, many agrarian forms such as lynchets, ridge and furrow, terraces and murgers, attest to a complexity that cannot be satisfied with a two-dimensional reading of the rural landscape. Pays de Bitche bears witness to this diversity of landscapes. The analysis of these forms at the local level makes it possible to estimate their dynamics. This study is based on several disciplines (pedology, anthracology, geography, history) in order to acquire as much complementary data as possible on agrarian forms. In the field, we analysed two lynchets located in Obergailbach and Achen. A lynchet is a kine of bank that appears on a slope, which results, in most cases, from the erosion of the soil of the plot caused by colluviation or by tillage erosion and sediments accumulation behind a hedge, a pile of stone, a wall... Unlike terraces, lynchets are involuntary forms and not a construction. Indeed, each lynchet corresponds to a plot whose bank represents the limits that allowed the installation of a hedge. The identifications of charcoal and the dates carried out in Obergailbach made it possible to determine the first phases of clearing at the end of the Roman period (321 - 422 cal AD), potentially representing the period of cultivation of these lands, and a second phase located in the Central Middle Ages (1020 - 1155 cal AD), reflecting the complexity of the dynamics of the territory.
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Contributor : Benjamin Keller Connect in order to contact the contributor
Submitted on : Thursday, October 10, 2019 - 7:31:42 PM
Last modification on : Wednesday, May 5, 2021 - 10:00:02 PM


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  • HAL Id : hal-02311383, version 1


Benjamin Keller, Vincent Robin, Pierre Alexis Herrault, Dominique Schwartz, Damien Ertlen. History of agrarian landscapes in Pays de Bitche since antiquity : geographical and paleo-ecological approaches.. Séminaire 2019 du Labex DRIIHM, Oct 2019, Lyon, France. ⟨hal-02311383⟩



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